added flower for celery task dashboard and created api endpoint to retrieve tasks by state #2186

	name: run-linters
	on: [pull_request]
	jobs:
	run-black:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Set up Python 3.7
	uses: actions/setup-python@v1
	with:
	python-version: 3.7
	- name: Debug Message - Check Github branch
	run: echo "Current Git branch is ${GITHUB_REF##*/}"
	- name: Install Black
	run: pip install black
	- name: Run black --check . to check for code formatting.
	run: black --check .

Provide feedback